1884 - 1958 (73 years)
| Jeanne "Jennie" Tamminga | |
| B: | 12 Mar 1909 |
| West Sayville, Suffolk, New York, United States | |
| D: | 28 Apr 1987 |
| Denver, Colorado, United States | |
| George Vander Weit | |
| B: | 4 Nov 1908 |
| Little Falls, Passaic, New Jersey, United States | |
| M: | 12 Mar 1935 |
| Denver, Denver, Colorado, United States | |
| D: | 25 Sep 1991 |
| Denver, Colorado, United States | |
|
| Sikke "Sidney" J. Tamminga | |
| B: | 20 May 1884 |
| Franeker, Friesland, Netherlands | |
| D: | 6 Jan 1958 |
| Denver, Colorado, United States | |
| Susanna Okkerse | |
| B: | 27 Mar 1886 |
| Bruinisse, Zeeland, Netherlands | |
| M: | 17 Apr 1907 |
| West Sayville, Islip, Suffolk, New York, United States | |
| D: | 11 Sep 1934 |
| Southside Hospital, Suffolk, New York, United States | |
